CN208106748U - A kind of adjustable single screw pump stator - Google Patents
A kind of adjustable single screw pump stator Download PDFInfo
- Publication number
- CN208106748U CN208106748U CN201820583855.5U CN201820583855U CN208106748U CN 208106748 U CN208106748 U CN 208106748U CN 201820583855 U CN201820583855 U CN 201820583855U CN 208106748 U CN208106748 U CN 208106748U
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- CN
- China
- Prior art keywords
- stator
- outer pipe
- metal outer
- fixed block
- single screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of adjustable single screw pump stators,Including metal outer pipe,The inner cavity of the metal outer pipe is equipped with rubber bodies,The side of the rubber bodies is equipped with tones,The lateral surface of the rubber bodies is connected with spring bearer plate,Locking belt is connected between the spring bearer plate and metal outer pipe,The side of the metal outer pipe inner cavity is equipped with fixed block,The connection of one end of the fixed block and locking belt,The adjustable single screw pump stator utilizes servo motor,Fixed block and locking belt to apply pressure to rubber bodies,To change the structure of stator,And then to adjust the magnitude of interference of stator and rotor,It is more convenient to adjust,And it is more uniform to the change of stator structure,Make to keep magnitude of interference appropriate between rotor and stator,It radiates using heat release hole is convenient to stator,The degree of wear of stator can be weakened,It can disperse the pressure being subject on the outside of stator using spring bearer plate and groove,Extend the service life of stator.
Description
Technical field
The utility model relates to screw pump technology field, specially a kind of adjustable single screw pump stator.
Background technique
The structure design of current existing single-screw (single screw) pump, rotor stator type it is intracavitary do planet gyration movement, rotor is
Metal material, stator interior are rubber material, and rubber has certain elasticity, matched between stator and rotor by certain interference
Conjunction forms seal chamber.And stator is the quick-wear part of single-screw (single screw) pump, it is often necessary to replace.Existing Stator of Single Progressive Cavity Pump, which exists, asks
Topic is：Stator magnitude of interference is unadjustable：At the initial stage of using, since there is not noticeable wear in the rubber of stator interior, stator with
There is appropriate magnitude of interference between rotor, in use, the mistake with the continuous abrasion of stator rubber, between stator and rotor
The amount of being full of is smaller and smaller, and stator magnitude of interference is unadjustable in use process.The above problem influence single-screw (single screw) pump service life and
Maintenance work is especially for use in the strong operating condition of conveying abrasion, such issues that it is more prominent.And replace the process of stator
Cumbersome difficulty, these all bring many inconvenience to the operation and maintenance of single-screw (single screw) pump.
As the patent of application publication number CN205744421U discloses a kind of adjustable single screw pump stator.Outside including metal
Pipe, adjusts bolt, locking nut at spring bearer plate.Metal outer pipe is wrapped in rubber bodies, and spring bearer plate is embedded in rubber bodies outside cylinder
In the shallow trench in face, adjusts bolt and spring bearer plate is pressed in rubber bodies shallow trench by the threaded hole in metal outer pipe, lock
Tight nut adjusts bolt for locking to guarantee magnitude of interference stable between stator and rotor.Have on metal outer pipe circumference uniformly distributed
Threaded hole is used for installation and adjustment bolt；Spring bearer plate is the steel spring plate of strip, is distributed in the shallow ridges of rubber bodies external cylindrical surface
In slot, threaded hole is evenly distributed in axial direction, and threaded hole is less than the threaded hole in metal outer pipe；Adjust bolt and lock nut along
Stator metal outer tube is uniformly distributed.But the adjustable single screw pump stator applies the external of stator by multiple adjusting bolts
Pressure needs to twist multiple adjusting bolts manually, should not control the amount of screwing of each bolt, be easy to cause the outside to stator each
The discontinuity of a part, and adjust and be more troublesome, thermal diffusivity is poor, and use is more inconvenient.
Summary of the invention
The technical problems to be solved in the utility model is to overcome existing defect, and it is fixed to provide a kind of adjustable single screw pump
Son makes the various pieces uniform force of stator exterior by locking belt, and the magnitude of interference adjusted between stator and rotor is more convenient,
Thermal diffusivity is preferable, and use is more convenient, can effectively solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions：A kind of adjustable single screw pump stator, including
Metal outer pipe, the inner cavity of the metal outer pipe are equipped with rubber bodies, and the side of the rubber bodies is equipped with tones, the rubber bodies
Lateral surface be connected with spring bearer plate, locking belt is connected between the spring bearer plate and metal outer pipe, in the metal outer pipe
The side of chamber is equipped with fixed block, one end connection of the fixed block and locking belt, and the lateral surface of the metal outer pipe is equipped with locking
Hole, the locking belt are equipped with servo motor, the servo through the upper surface of connection locking hole, the lateral surface of the metal outer pipe
The output shaft of motor and the other end of locking belt connect, and the side of the servo motor is equipped with control switch, the control switch
Input terminal electrical connection external power supply output end, the control switch output end electrical connection servo motor input terminal.
As a kind of optimal technical scheme of the utility model, the side of the metal outer pipe is evenly distributed with heat release hole.
As a kind of optimal technical scheme of the utility model, the locking belt is wire, and the fixed block is metal
Plate, the fixed block and locking belt are to be fixedly welded.
As a kind of optimal technical scheme of the utility model, the lateral surface of the rubber bodies is uniformly distributed fluted, institute
The area for stating groove is greater than the area of fixed block.
As a kind of optimal technical scheme of the utility model, the spring bearer plate is the steel spring plate of strip, described
The side of spring bearer plate is convex structure.
Compared with prior art, the utility model has the beneficial effects that：Using servo motor, fixed block and locking belt come pair
Rubber bodies apply pressure, to change the structure of stator, and then adjust the magnitude of interference of stator and rotor, and to adjust more convenient, and
It is more uniform to the change of stator structure, make to keep magnitude of interference appropriate between rotor and stator, it is convenient to fixed using heat release hole
Son radiates, and can weaken the degree of wear of stator, and the pressure being subject on the outside of stator can be dispersed using spring bearer plate and groove
Power extends the service life of stator.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side structure schematic diagram.
In figure：1 metal outer pipe, 2 locking holes, 3 locking belts, 4 rubber bodies, 5 grooves, 6 heat release holes, 7 tones, 8 are fixed
Block, 9 spring bearer plates, 10 control switches, 11 servo motors.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2,：A kind of adjustable single screw pump stator, including gold
Belong to outer tube 1, the inner cavity of metal outer pipe 1 is equipped with rubber bodies 4, and the side of rubber bodies 4 is equipped with tones 7, the lateral surface of rubber bodies 4
It is connected with spring bearer plate 9, the pressure being subject on the outside of stator can be dispersed using spring bearer plate 9 and groove 5, extends the use of stator
Service life is connected with locking belt 3 between spring bearer plate 9 and metal outer pipe 1, the side of 1 inner cavity of metal outer pipe is equipped with fixed block 8, Gu
Determine block 8 to connect with one end of locking belt 3, the lateral surface of metal outer pipe 1 is equipped with locking hole 2, and locking belt 3 is through connection locking hole 2
Upper surface, the lateral surface of metal outer pipe 1 is equipped with servo motor 11, the output shaft of servo motor 11 and the other end of locking belt 3
Connection is rotated, and then be wrapped in locking belt 3 and watch when the magnitude of interference deficiency between stator and rotor using servo motor 11
On the output shaft for taking motor 11, since the end of locking belt 3 is to be fixedly connected with fixed block 8, so 3 pairs of elasticity of locking belt can be made
Pressing plate 9 applies pressure, and pressure dissipation to rubber bodies 4, and then is changed the structure of stator, makes rotor and stator by spring bearer plate 9
Between keep magnitude of interference appropriate, the side of servo motor 11 is equipped with control switch 10, and the input terminal of control switch 10 is electrically connected
The output end of external power supply, the input terminal of the output end electrical connection servo motor 11 of control switch 10, the side of metal outer pipe 1 are equal
It is even that heat release hole 6 is distributed with, between stator and rotor rub when generate heat, the abrasion of rubber bodies 4 can be further resulted in, using dissipate
Hot hole 6 increases the thermal diffusivity of stator, can weaken the degree of wear of stator, and locking belt 3 is wire, and wire toughness is preferable,
Durability is stronger, and fixed block 8 is metal plate, and fixed block 8 and locking belt 3 are to be fixedly welded, and the lateral surface of rubber bodies 4 is uniformly distributed
Fluted 5, the area of groove 5 is greater than the area of fixed block 8, and spring bearer plate 9 is the steel spring plate of strip, spring bearer plate 9
Side is convex structure.
When in use：When the magnitude of interference deficiency between stator and rotor, rotated using servo motor 11, and then make to lock
It is wrapped in 3 on the output shaft of servo motor 11, since the end of locking belt 3 is to be fixedly connected with fixed block 8, so can make to lock
Taut band 3 applies pressure to spring bearer plate 9, and pressure dissipation to rubber bodies 4, and then is changed the structure of stator, made by spring bearer plate 9
Magnitude of interference appropriate is kept between rotor and stator, is generated heat when rubbing between stator and rotor, can be further resulted in rubber
The abrasion of body 4 is increased the thermal diffusivity of stator using heat release hole 6, can weaken the degree of wear of stator.
The utility model applies pressure to rubber bodies 4 using servo motor 11, fixed block 8 and locking belt 3, fixed to change
The structure of son, and then adjust the magnitude of interference of stator and rotor, to adjust more convenient and more equal to the change of stator structure
It is even, make to keep magnitude of interference appropriate between rotor and stator, radiate using heat release hole 6 is convenient to stator, it is fixed to weaken
The degree of wear of son can disperse the pressure being subject on the outside of stator using spring bearer plate 9 and groove 5, and extend stator uses the longevity
Life.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of adjustable single screw pump stator, including metal outer pipe（1）, it is characterised in that：The metal outer pipe（1）Inner cavity
Equipped with rubber bodies（4）, the rubber bodies（4）Side be equipped with tones（7）, the rubber bodies（4）Lateral surface be connected with
Spring bearer plate（9）, the spring bearer plate（9）And metal outer pipe（1）Between be connected with locking belt（3）, the metal outer pipe（1）It is interior
The side of chamber is equipped with fixed block（8）, the fixed block（8）With locking belt（3）One end connection, the metal outer pipe（1）It is outer
Side is equipped with locking hole（2）, the locking belt（3）Through connection locking hole（2）Upper surface, the metal outer pipe（1）It is outer
Side is equipped with servo motor（11）, the servo motor（11）Output shaft and locking belt（3）The other end connection, the servo
Motor（11）Side be equipped with control switch（10）, the control switch（10）Input terminal electrical connection external power supply output
End, the control switch（10）Output end be electrically connected servo motor（11）Input terminal.
2. a kind of adjustable single screw pump stator according to claim 1, it is characterised in that：The metal outer pipe（1）'s
Side is evenly distributed with heat release hole（6）.
3. a kind of adjustable single screw pump stator according to claim 1, it is characterised in that：The locking belt（3）For gold
Belong to silk, the fixed block（8）For metal plate, the fixed block（8）And locking belt（3）To be fixedly welded.
4. a kind of adjustable single screw pump stator according to claim 1, it is characterised in that：The rubber bodies（4）It is outer
Side is uniformly distributed fluted（5）, the groove（5）Area be greater than fixed block（8）Area.
5. a kind of adjustable single screw pump stator according to claim 1, it is characterised in that：The spring bearer plate（9）For
The steel spring plate of strip, the spring bearer plate（9）Side be convex structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820583855.5U CN208106748U (en) | 2018-04-24 | 2018-04-24 | A kind of adjustable single screw pump stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820583855.5U CN208106748U (en) | 2018-04-24 | 2018-04-24 | A kind of adjustable single screw pump stator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208106748U true CN208106748U (en) | 2018-11-16 |
Family
ID=64116483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820583855.5U Expired - Fee Related CN208106748U (en) | 2018-04-24 | 2018-04-24 | A kind of adjustable single screw pump stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208106748U (en) |
-
2018
- 2018-04-24 CN CN201820583855.5U patent/CN208106748U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 Termination date: 20210424 |